“I can tell you, I think it was not from this world,” retired US Navy pilot Commander David Fravor told ABC News [video] in an interview in December 2017.

“I’m not crazy, haven’t been drinking. It was — after 18 years of flying, I’ve seen pretty much about everything that I can see in that realm, and this was nothing close.”

Fravor was describing his encounter with an unidentified flying object during a training mission off the coast of California on November 14, 2004. The UFO was performing seemingly impossible moves — "left, right, forward, back, just random," in Fravor 's words, and then accelerated and disappeared.

“I have never seen anything in my life, in my history of flying that has the performance, the acceleration — keep in mind this thing had no wings,” he said.

Video of the incident, along with another similar encounter, was published in December by the New York Times. The second video shows US Navy pilots tracking one of apparently numerous UFOs moving at high speeds with seemingly no source of propulsion.

“This is a f------ drone bro,” one pilot says. “There's a whole fleet of them. Look on the S.A.” the other responds.

As the UFO continues on its flight path, one of the pilot makes a note of their speed and direction — “They are all going against the wind. The wind is 120 knots to the west. Look at that thing dude.”

Soon, to the shock of the pilots, the UFO changes position. “Look at that thing!” one calls out as the UFO, somehow manages to turn on its side while still maintaining its speed and direction. “Its rotating!” the other pilot says. Continue reading at Business Insider